Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 332 insertions, 0 deletions

diff --git a/kicker-applets/mediacontrol/kscdInterface.cpp b/kicker-applets/mediacontrol/kscdInterface.cpp
new file mode 100644
index 0000000..f7f7e90
--- /dev/null
+++ b/kicker-applets/mediacontrol/kscdInterface.cpp
@@ -0,0 +1,332 @@
+/***************************************************************************
+                           Interface to access KsCD
+                             -------------------
+    begin                : Sat Dec 04 13:36:00 CET 2004
+    copyright            : (C) 2004 by Michal Startek
+    adapted from JuK interface which is (C) 2001-2002 by Stefan Gehn
+    email                : michal.startek@op.pl
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "kscdInterface.h"
+#include "kscdInterface.moc"
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <qstringlist.h>
+#include <qstrlist.h>
+#include <kurldrag.h>
+#include <klocale.h>
+
+#define TIMER_FAST  250
+
+KsCDInterface::KsCDInterface() : PlayerInterface()
+{
+	mKsCDTimer = new QTimer(this, "mKsCDTimer");
+
+	connect(mKsCDTimer, SIGNAL(timeout()), SLOT(updateSlider()) );
+	kapp->dcopClient()->setNotifications ( true );
+
+	connect(kapp->dcopClient(), SIGNAL(applicationRegistered(const QCString&)),
+		SLOT(appRegistered(const QCString&)) );
+
+	connect(kapp->dcopClient(), SIGNAL(applicationRemoved(const QCString&)),
+		SLOT(appRemoved(const QCString&)));
+
+	QTimer::singleShot(0, this, SLOT(myInit()));
+}
+
+KsCDInterface::~KsCDInterface()
+{
+	kapp->dcopClient()->setNotifications(false);
+	delete mKsCDTimer;
+}
+
+void KsCDInterface::myInit()
+{
+	// Start the timer if KsCD is already running
+	// Needed if user adds applet while running KsCD
+	if (findRunningKsCD())
+	{
+		emit playerStarted();
+		mKsCDTimer->start(TIMER_FAST);
+	}
+	else
+	{
+		emit playerStopped();
+		emit newSliderPosition(0,0);
+	}
+}
+
+void KsCDInterface::appRegistered(const QCString &appId)
+{
+	if((appId) == "kscd")
+	{
+		mAppId = appId;
+		emit playerStarted();
+		mKsCDTimer->start(TIMER_FAST);
+	}
+}
+
+void KsCDInterface::appRemoved(const QCString &appId)
+{
+	if ((appId) == "kscd")
+	{
+		// is there still another KsCD alive?
+		// Okay, KsCD does not allow multiple instances
+		// of it to run at the same time, but
+		// this can change.
+		if (findRunningKsCD())
+			return;
+		mKsCDTimer->stop();
+		emit playerStopped();
+		emit newSliderPosition(0,0);
+	}
+}
+
+void KsCDInterface::updateSlider()
+{
+	// length/time in secs, -1 means "no playobject in kscd"
+	int len = -1;
+	int time = -1;
+	QByteArray data, replyData;
+	QCString replyType;
+
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentTrackLength()", data,
+		replyType, replyData))
+	{
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "int")
+			reply >> len;
+	}
+
+	data = 0;
+	replyData = 0;
+	replyType = 0;
+
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentPosition()", data,
+		replyType, replyData))
+	{
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "int")
+			reply >> time;
+	}
+
+	if ( (time < 0) || (len < 0)) // KsCD isn't playing and thus returns -1
+	{
+		len = 0;
+		time = 0;
+	}
+	emit newSliderPosition(len,time);
+	emit playingStatusChanged(playingStatus());
+}
+
+// Drag-n-Drop stuff =================================================================
+// As far as I know there is currently no way to drag an AudioCD track to KsCD,
+// or even no application to drag AudioCD track from (not the KIO-wrapped track
+// path (audiocd:/...) like from Konqueror)
+
+void KsCDInterface::dragEnterEvent(QDragEnterEvent* event)
+{
+	event->ignore();
+}
+
+void KsCDInterface::dropEvent(QDropEvent* event)
+{
+	event->ignore();
+}
+
+// ====================================================================================
+
+void KsCDInterface::sliderStartDrag()
+{
+	mKsCDTimer->stop();
+}
+
+void KsCDInterface::sliderStopDrag()
+{
+	mKsCDTimer->start(TIMER_FAST);
+}
+
+void KsCDInterface::jumpToTime(int sec)
+{
+	QByteArray data;
+	QDataStream arg(data, IO_WriteOnly);
+	arg << sec;
+	kapp->dcopClient()->send(mAppId, "CDPlayer", "jumpTo(int)", data);
+}
+
+void KsCDInterface::playpause()
+{
+	if (!findRunningKsCD())
+		startPlayer("kscd");
+	QByteArray data;
+	kapp->dcopClient()->send(mAppId, "CDPlayer", "play()", data);
+}
+
+void KsCDInterface::stop()
+{
+	QByteArray data;
+	kapp->dcopClient()->send(mAppId, "CDPlayer", "stop()", data);
+}
+
+void KsCDInterface::next()
+{
+	QByteArray data;
+	kapp->dcopClient()->send(mAppId, "CDPlayer", "next()", data);
+}
+
+void KsCDInterface::prev()
+{
+	QByteArray data;
+	kapp->dcopClient()->send(mAppId, "CDPlayer", "previous()", data);
+}
+
+void KsCDInterface::volumeUp()
+{
+   QByteArray data;
+   kapp->dcopClient()->send(mAppId, "CDPlayer", "volumeUp()", data);
+}
+
+void KsCDInterface::volumeDown()
+{
+   QByteArray data;
+   kapp->dcopClient()->send(mAppId, "CDPlayer", "volumeDown()", data);
+}
+
+const QString KsCDInterface::getTrackTitle() const
+{
+	QString title, artist, album, result;
+	QByteArray data, replyData;
+	QCString replyType;
+
+	// Get track title from KsCD...
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentTrackTitle()", data,
+		replyType, replyData))
+	{
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "QString")
+		{
+			reply >> title;
+		}
+	}
+
+	// Album...
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentAlbum()", data,
+		replyType, replyData))
+	{
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "QString")
+		{
+			reply >> album;
+		}
+	}
+
+	// Artist...
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentArtist()", data,
+		replyType, replyData))
+	{
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "QString")
+		{
+			reply >> artist;
+		}
+	}
+
+	// And compose them into one string that will be displayed...
+	if(album.isEmpty())
+	{
+		if(artist.isEmpty())
+		{
+			result = title;
+		}
+		else // artist is non-empty
+		{
+			if(title.isEmpty())
+			{
+				result = artist;
+			}
+			else
+			{
+				result = i18n("artist - trackname", "%1 - %2").arg(artist, title);
+			}
+		}
+	}
+	else // album is non-empty
+	{
+		if(artist.isEmpty())
+		{
+			if(title.isEmpty())
+			{
+				result = album;
+			}
+			else
+			{
+				result = i18n("(album) - trackname", "(%1) - %2").arg(artist, title);
+			}
+		}
+		else // artist is non-empty
+		{
+			if(title.isEmpty())
+			{
+				result = i18n("artistname (albumname)", "%1 (%2)").arg(artist, album);
+			}
+			else
+			{
+				result = i18n("artistname (albumname) - trackname", "%1 (%2) - %3").arg(artist, album, title);
+			}
+		}
+	}
+
+	return result;
+}
+
+bool KsCDInterface::findRunningKsCD()
+{
+	QCStringList allApps = kapp->dcopClient()->registeredApplications();
+	QValueList<QCString>::const_iterator iterator;
+
+	for (iterator = allApps.constBegin(); iterator != allApps.constEnd(); ++iterator)
+	{
+		if ((*iterator) == "kscd")
+		{
+			mAppId = *iterator;
+			return true;
+		}
+	}
+	return false;
+}
+
+int KsCDInterface::playingStatus()
+{
+	QByteArray data, replyData;
+	QCString replyType;
+
+	if (kapp->dcopClient()->call(mAppId, "CDPlayer", "getStatus()", data, replyType,
+		replyData))
+	{
+		int status = 0;
+		QDataStream reply(replyData, IO_ReadOnly);
+		if (replyType == "int")
+			reply >> status;
+
+		switch (status)
+		{
+			case 2:
+				return Playing;
+			case 4:
+				return Paused;
+			default:
+				return Stopped;
+		}
+	}
+	return Stopped;
+}